I get 9 miles per gallon on my 1990 V6 4Runner.

I get 9 miles per gallon on my 1990 V6 4Runner, I have had it inspected several times and no one can find the poblem. This truck is great throughout and runs perfect with this one expection.Does anyone have any suggestions or ideas?

5 Answers

Hello Tyland12000- Seems like the old tank is costing you some cash. Do you know that the government says that your Toyota should be getting around 18 miles to the gallon in mixed driving? If you have already done all the mechanical checks and tuneups and your tires are inflated correctly, I can't offer any encouraging hints. Do you know that if you drive the national average of 12,000 miles a year and if you pay $2.50 a gallon for your gas, you are paying over $1,600 a year more to drive than the guy driving the same miles and getting 18 miles per gallon. Maybe you need a new set of wheels, or maybe a lifestyle change as suggested by the government at their site- www.fueleconomy.gov/feg/drive.shtml. Another site to look at is from the Iowa Energy Center- http://www.energy.iastate.edu/news/pr/pr-gasmileage.html. See ya at the pumps. Good luck from Bovan.

look at the steel clamps holding the fuel lines to the floor underneath the truck. the lines tend to rust and leak. small leaks drip on the drive shaft and spin off evaporating quickly. also check the little flaps in your air cleaner. they could be stuck open. but i get 18 or 20 mpg in my 4 runner so keep trying.if u can fix it youll b very happy w your mileage

Have you always gotten that type of mileage? If so maybe the previous owner changed the rear differential or something? I hate to here your mileage is so bad since I am looking a 2 door 4runner to buy myself. On the bright side the insurance is less that a new car and also the cost of a newer one adds up too.
Let me know if you found the problem.
splatgun@yahoo.com
Mark

Unfortunately the 4runner 3.0L are bad engines, all the head
gasket go out. It could be coming up on the end of it's life cycle
or time to do a major engine re-hall. They do have the engine
swap with the improve 3.4L engine. Or I would highly suggest
selling yours and getting a newer 4runner 96-2002 3rd
generation 4runner. Much more reliable engine 3.4L (one of
Toyota engines ever built!!!) You will get much better gas
milleage on it. Also their are So many more upgrades and
modifications for the 3rd genereation 4runner!! If you are still
set on yours, I would do a tune-up, spark plugs and wires, new
air filter maybe cold air intake, a magnaflow exhaust, narrower
tires really help, clean the throttle body (you can do that
yourself) de-carb like Sea-Foam good stuff, synthetic oil will
help as well, and change driving habits more coasting to lights
lighter acceleration. You can also try a lighter drive pully, switch
your radiator to electric.
I suggest third generation 4runner ( I had 1-92 4runner, and 15
3rd generation 4runners) LOVE THEM!

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